This year it snowed on five of the 12 days of christmas the snow amounts were 3 inches ,5 inches ,7 inches ,1 foot and 9 inches . what was the mean amount of snow for the 12 days ? round your answer to the nearest hundredth of an inch

answer: it is a.,b.,d.

step-by-step explanation:

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.

ιт ιѕ 6 6/23

step-by-step explanation:

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